EP0762921A4 - Dual impeller pump - Google Patents

Dual impeller pump

Info

Publication number
EP0762921A4
EP0762921A4 EP95918927A EP95918927A EP0762921A4 EP 0762921 A4 EP0762921 A4 EP 0762921A4 EP 95918927 A EP95918927 A EP 95918927A EP 95918927 A EP95918927 A EP 95918927A EP 0762921 A4 EP0762921 A4 EP 0762921A4
Authority
EP
European Patent Office
Prior art keywords
impeller pump
dual impeller
dual
pump
impeller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95918927A
Other languages
German (de)
French (fr)
Other versions
EP0762921B1 (en
EP0762921A1 (en
Inventor
Roy S Hickok
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aquaria Inc
Original Assignee
Aquaria Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aquaria Inc filed Critical Aquaria Inc
Publication of EP0762921A1 publication Critical patent/EP0762921A1/en
Publication of EP0762921A4 publication Critical patent/EP0762921A4/en
Application granted granted Critical
Publication of EP0762921B1 publication Critical patent/EP0762921B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/047—Liquid pumps for aquaria

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Biological Treatment Of Waste Water (AREA)
EP95918927A 1994-05-24 1995-05-03 Dual impeller pump Expired - Lifetime EP0762921B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/248,110 US5603831A (en) 1994-05-24 1994-05-24 Dual impeller pump
US248110 1994-05-24
PCT/US1995/005482 WO1995032046A1 (en) 1994-05-24 1995-05-03 Dual impeller pump

Publications (3)

Publication Number Publication Date
EP0762921A1 EP0762921A1 (en) 1997-03-19
EP0762921A4 true EP0762921A4 (en) 1998-02-25
EP0762921B1 EP0762921B1 (en) 2000-12-06

Family

ID=22937715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95918927A Expired - Lifetime EP0762921B1 (en) 1994-05-24 1995-05-03 Dual impeller pump

Country Status (6)

Country Link
US (1) US5603831A (en)
EP (1) EP0762921B1 (en)
JP (1) JP2755829B2 (en)
CA (1) CA2190165C (en)
DE (1) DE69519570T2 (en)
WO (1) WO1995032046A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245236B1 (en) 1999-05-26 2001-06-12 Cercona Of America Inc. Reciprocating biological filter
FR2808459B1 (en) * 2000-05-02 2003-01-10 Rena Sa FILTER OUTSIDE A BIN, ESPECIALLY AN AQUARIUM
US6797163B2 (en) 2002-03-28 2004-09-28 Tetra Holding (Us), Inc. Filtration devices
ITTV20020145A1 (en) * 2002-11-26 2004-05-27 Hydor Srl EQUIPMENT FOR FILTERING AND PUMPING OF WATER, IN PARTICULAR FOR AQUARIUMS, EQUIPPED WITH A HEATER
US20040200427A1 (en) * 2003-02-25 2004-10-14 Neal Dulaney Water flow system
US7430989B2 (en) * 2003-10-09 2008-10-07 Mag-Life Llc Aquarium having improved filtration system with neutral buoyancy substrate and sediment removal system
US8513848B2 (en) 2003-10-09 2013-08-20 Mag Life, Llc Aquarium having improved filtration system with neutral buoyancy substrate, pump and sediment removal system
US8033252B2 (en) * 2003-10-09 2011-10-11 Mag-Life Llc Aquarium having improved filtration system with neutral buoyancy substrate, pump and sediment removal system
US7249571B2 (en) * 2003-10-09 2007-07-31 Mag-Life Llc Aquarium having improved filtration system
US7316775B2 (en) * 2004-11-30 2008-01-08 Tetra Holding (Us), Inc. Air-powered filter arrangement
US9788533B2 (en) 2012-10-09 2017-10-17 Elive Llc Aquarium filter
US9874196B2 (en) * 2013-03-13 2018-01-23 Pentair Water Pool And Spa, Inc. Double paddle mechanism for pool cleaner
US9826722B2 (en) * 2013-10-04 2017-11-28 Central Garden & Pet Company Aquarium filter containing a cartridge clog indicator
US9585372B2 (en) * 2015-02-06 2017-03-07 Adam John Keller Water inlet system for an aquarium, a siphon stopper and a method of attaching the system to an aquarium
WO2018202090A1 (en) * 2017-05-04 2018-11-08 广东博宇集团有限公司 Aquarium
US10486092B2 (en) 2017-11-21 2019-11-26 Spectrum Brands, Inc. Aquarium filter arrangement with vibration isolation
US10638732B2 (en) 2017-11-21 2020-05-05 Spectrum Brands, Inc. Aquarium filter arrangement with control valve
US10584713B2 (en) 2018-01-05 2020-03-10 Spectrum Brands, Inc. Impeller assembly for use in an aquarium filter pump and methods
US11641848B1 (en) 2020-05-05 2023-05-09 Central Garden & Pet Company Variable flow spout for an aquarium
US11412717B1 (en) 2020-05-05 2022-08-16 Central Garden & Pet Company Movable spout for an aquarium
EP4292694A1 (en) * 2022-06-16 2023-12-20 Levitronix GmbH Rotary filter system, rotary filter device, and separation system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05123080A (en) * 1991-05-02 1993-05-21 Kuroki Shigemitsu Aeration device also used for producing liquid flow

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR355311A (en) * 1905-06-17 1905-10-28 Henri Dumas High pressure, low speed centrifugal pump
GB264514A (en) * 1925-01-21 1927-04-14 Jules Louis Breton Centrifugal pumps for use in machines for washing dishes and the like
US2424285A (en) * 1941-05-31 1947-07-22 Jacuzzi Bros Inc Pump and pump system
US2466792A (en) * 1947-01-24 1949-04-12 F E Myers & Bro Company Jet pumping system and apparatus
US2623466A (en) * 1948-11-01 1952-12-30 Fairbanks Morse & Co Dual discharge pump
US3297163A (en) * 1965-05-06 1967-01-10 Landon Inc Jet-washed rotatable filters
US3610416A (en) * 1969-08-22 1971-10-05 Julius L Englesberg Pump for liquids
US4039453A (en) * 1976-07-19 1977-08-02 Aquology Corporation Aquarium filter tank pump with bypass
JPS5414011A (en) * 1977-07-04 1979-02-01 Toshiba Corp Blower
JPS54120950A (en) * 1978-03-14 1979-09-19 Dengyosha Mach Works Centrifugal rotating disc for biological oxidation treatment device
SU718628A1 (en) * 1978-09-25 1980-02-29 Всесоюзный Научно-Исследовательский Институт Безопасности Труда В Горнорудной Промышленности Вниибтг Fan
JPS5554690A (en) * 1978-10-14 1980-04-22 Kazutoshi Sakuma Multiple rotor with opposite pitched coaxial blade
GB2062102B (en) * 1979-10-29 1984-03-14 Rockwell International Corp Centrifugal pump and turbine
US4385012A (en) * 1980-01-28 1983-05-24 Ronald Priestley Phase-contacting apparatus
DE3238366C2 (en) * 1982-10-16 1985-05-09 Adolf Ing.(grad.) 5828 Ennepetal Neuhaus Device for aquariums for the treatment of polluted water
US4512885A (en) * 1983-01-07 1985-04-23 Willinger Bros., Inc. Aquarium filter assembly
US4732236A (en) * 1986-04-16 1988-03-22 Sundstrand Corporation Dual impeller pump
US4915828A (en) * 1989-04-12 1990-04-10 Raymond Meyers Aquarium filter
JP3025295B2 (en) * 1990-10-11 2000-03-27 エヌティエヌ株式会社 Turbo pump
GB2243558A (en) * 1990-05-02 1991-11-06 Shieh Wen Yau Aquarium filter
US5078867A (en) * 1990-05-18 1992-01-07 Michael Danner Aquarium filter/protein skimmer system
US5084164A (en) * 1990-05-31 1992-01-28 Luis Del Rosario Filter assembly for an aquarium
US5228986A (en) * 1990-06-05 1993-07-20 Willinger Bros., Inc. Aquarium power filter
US5419831A (en) * 1990-06-11 1995-05-30 Aquaria, Inc. Rotating biological aquarium filter system
DK0542755T3 (en) * 1990-06-11 1997-02-10 Aquaria Inc
US5171438A (en) * 1991-07-30 1992-12-15 Korcz Robert L Aquarium filtration system
US5401401A (en) * 1993-01-13 1995-03-28 Aquaria Inc. Hang on tank canister filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05123080A (en) * 1991-05-02 1993-05-21 Kuroki Shigemitsu Aeration device also used for producing liquid flow

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 482 2 September 1993 (1993-09-02) *
See also references of WO9532046A1 *

Also Published As

Publication number Publication date
DE69519570D1 (en) 2001-01-11
CA2190165A1 (en) 1995-11-30
EP0762921B1 (en) 2000-12-06
JP2755829B2 (en) 1998-05-25
WO1995032046A1 (en) 1995-11-30
DE69519570T2 (en) 2001-06-07
EP0762921A1 (en) 1997-03-19
JPH09507644A (en) 1997-08-05
US5603831A (en) 1997-02-18
CA2190165C (en) 2000-07-04

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